Marantz Professional RHA6 6-Channel Headphone Amplifier

Marantz Professional RHA6 6-Channel Headphone Amplifier

Marantz Professional RHA6 6-Channel Headphone Amplifier

Marantz Professional RHA6 6-Channel Headphone Amplifier

Marantz Professional RHA6 6-Channel Headphone Amplifier

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Product Highlights

  • Six Individual Headphone Channels
  • 18 Headphone Outputs (3 Per Channel)
  • Stereo Input with Gain Control
  • Aux and Direct Inputs
  • Output Level Per Channel
  • Balance Control to Mix Input Signals
  • Mono/Stereo Switch Per Channel
  • 4-Segment Signal LEDs for All Channels
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Marantz Professional RHA-6 overview

  • 1Description

The RHA6 Headphone Amplifier from Marantz Professional is a 6-channel professional headphone amplification system designed to provide signal distribution and amplification for up to 18 headphones in studio and live event scenarios.

The main stereo input, via XLR or 1/4" connectors, features a gain control. Each of the six channels delivers a level control, which feeds up to three headphone outputs. 4-segment LED meters are present on each channel. Mix the Aux and Direct inputs to create custom headphone mixes. Additional features include direct line outputs to connect additional RHA6 units, and a mono/stereo switch for each channel.

Professional amplification system for studio and stage applications
6 individual headphone channels
Input gain control and individual output gain control
Up to 3 headphone outs per channel for a total of 18 headphones
Balance control to mix Main and Aux input signals
Standard IEC receptacle connection
UPC: 694318021293
In the Box
Marantz Professional RHA6 6-Channel Headphone Amplifier
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description

    Marantz Professional RHA-6 specs

    Number of Channels 6 individual headphone channels
    Input Connections XLRF and 1/4" jacks
    Impedance: 50 kOhms balanced, 25 kOhms unbalanced
    CMRR: Typically 40 dB, >55 dB @ 1 kHz
    Output Connectors XLRM and 1/4" jacks
    Maximum Output Level 21 dBu balanced and unbalanced
    Maximum Input Level 21 dBu balanced and unbalanced (unity gain)
    Voltage 120 VAC, 60 Hz
    Power Consumption 40 W
    Amplifier Maximum Output Power: 21 dBm
    Minimum Output Impedance: 100 Ohms
    Maximum Gain: 20 dB
    Fuse 95 to 120 VAC: T500 mA L / 210 to 240 VAC: T315 mA L
    Function Controls Input Level: Variable
    Balanced per Channel: Mix between AUX and MAIN signal
    Output Level per Channel: Variable
    Function Switches Left Mute: Mutes the left signal of the respective channel
    Right Mute: Mutes the right signal of the respective channel
    Mode: Switches channel to MONO
    Frequency Response 10 Hz to 50 kHz, ±3 dB
    THD + N 0.005% typically @ 4 dBu, 1 kHz, Gain 1
    Noise >90 dB unweighted (22 Hz to 22 kHz > 95 dB @ 4 dBu)
    Display Input Level: 8-digit LED display; -24/-18/-12/-6/0/6/12/18 dBu
    Output Level: 4-digit LED display; -24/0/12 dBu/Clip
    Dimensions W x D x H: 19 x 8.54 x 1.7" (483 x 217 x 44 mm)
    Weight 6.39 lb (2.9 kg)
    Packaging Info
    Package Weight 10.05 lb
    Box Dimensions (LxWxH) 21.9 x 15.0 x 4.8"

    Marantz Professional RHA-6 reviews

    RHA6 6-Channel Headphone Amplifier is rated 2.0 out of 5 by 1.
    Rated 2 out of 5 by from Component Hum, Poor EM Shielding Easy to set up and get going, features work as described in the manual, but the sound quality is abysmal. Every single headphone output from the rear buzzes, and as you get to the ports closer to the power input, it gets louder. That tells me someone went a little cheap when they designed this thing. The front ports aren't much different. Each front output has varying levels of component hum. Port 2 on mine was the cleanest - acceptable even! But that's one good port out of 6+12. Not a good score. Let me just say, I'm not picky when it comes to the sound quality of headphone amps. I don't mind a little white noise. I don't mind distortion at high output levels. I DO mind power and component buzz harmonizing with what I'm trying to monitor. Now, Marantz isn't a junk brand. I thought, surely there's something wrong elsewhere, right? Well, that doubt left my head the moment I power cycled the unit and heard no buzz... for all of 2 seconds. Then it comes on loud and fades out until it's just audible enough to be annoying. Now, I'm no electrical engineer, but I know that's only possible with cheap caps and bad circuit layout. What a stinker. You'd think Marantz of all companies would know better than to skimp where it matters.
    Date published: 2017-03-21
    • y_2018, m_3, d_16, h_20
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